1 Timothy 1:6
"From which some having swerved have turned aside unto vain jangling;"
Cross References (ranked by relevance)
Titus 1:10
11
For there are many unruly and vain talkers and deceivers, specially they of the circumcision:
Titus 3:9
But avoid foolish questions, and genealogies, and contentions, and strivings about the law; for they are unprofitable and vain.
1 Timothy 5:15
For some are already turned aside after Satan.
2 Timothy 4:10
For Demas hath forsaken me, having loved this present world, and is departed unto Thessalonica; Crescens to Galatia, Titus unto Dalmatia.
2 Timothy 2:18
Who concerning the truth have erred, saying that the resurrection is past already; and overthrow the faith of some.